Home / 87,090.14-120,183.83-47,346.14

Finding the Fourth Proportional to 87,090.14, 120,183.83 and 47,346.14

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Solution

The fourth proportional to 87,090.14, 120,183.83 and 47,346.14 is: 65,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,090.14 : 120,183.83 = 47,346.14 : x
  2. Step 2: Convert to fraction form
    87,090.14/120,183.83 = 47,346.14/x
  3. Step 3: Cross multiply
    87,090.14x = 120,183.83 × 47,346.14
  4. Step 4: Simplify right side
    87,090.14x = 5,690,240,440.92
  5. Step 5: Solve for x
    x = 5,690,240,440.92/87,090.14
  6. Step 6: Final answer
    x = 65,337.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.